jdk/test/hotspot/jtreg/compiler/vectorapi/VectorBoxExpandProj.java
Kerem Kat e85d5d7a16 8375010: C2 VectorAPI: assert(vbox->is_CheckCastPP()) failed: should be expanded
8374903: C2 VectorAPI: assert(vbox->as_Phi()->region() == vect->as_Phi()->region()) failed

Reviewed-by: qamai, vlivanov
2026-01-29 12:43:48 +00:00

55 lines
2.0 KiB
Java

/*
* Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
package compiler.vectorapi;
import jdk.incubator.vector.*;
/*
* @test
* @bug 8375010
* @summary C2 crashes when expanding VectorBox with Proj input from vector math call
* @modules jdk.incubator.vector
* @library /test/lib
*
* @run main/othervm -Xbatch -XX:CompileCommand=compileonly,compiler.vectorapi.VectorBoxExpandProj::test compiler.vectorapi.VectorBoxExpandProj
*/
public class VectorBoxExpandProj {
static boolean b;
public static void main(String[] args) {
for (int i = 0; i < 20_000; i++) {
b = !b;
test();
}
System.out.println("PASS");
}
// TAN returns Proj (not VectorNode). Phi merging creates VectorBox(Phi, Proj).
// expand_vbox_node_helper must handle Proj inputs with vector type.
static Object test() {
var t = DoubleVector.broadcast(DoubleVector.SPECIES_128, 1.0).lanewise(VectorOperators.TAN);
return b ? t.convertShape(VectorOperators.Conversion.ofCast(double.class, double.class), DoubleVector.SPECIES_128, 0) : t;
}
}